ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,416,347, issued on Sept. 16, was assigned to Nabtesco Corp. (Tokyo).
"Speed reducer" was invented by Kazuyoshi Makisumi (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A speed reducer relating to one aspect of the present disclosure includes: an internal gear having a casing and a plurality of outer pins, where the casing surrounds a main axis, and the outer pins are rotatably arranged in pin grooves provided on an inner periphery of the casing; an external gear meshing with the internal gear; an eccentric body for oscillating the external gear; a carrier rotatable relative to the casing; and a main bearing having an inner sliding surface and an ...